ZHLT 3.4 Final and CST 1.2 Released

Zoner Half Life Tool (ZHLT) offers many improvements over the original map compiling tools for Half-Life, such as better lighting quality, faster vis times, switchable texture based lighting, support for brush entities casting shadows, removal of "sticky" edges, support for 64-bit processors, and much more. Custom Source Tools (CST) do the same but for the Source Engine.